Corneal thickness changes were measured and used as an index of the effect of contact lenses on normal corneal physiology to study the contact lens adaptation process and to evaluate fitting relationships. The adaptation process may be accounted for on the basis of the decrease in tearing which accompanies neural adaptation of the receptors in the lid margins to stimulation by a contact lens and which produces a more normal tear tonicity.
*Submitted September 5, 1968, for publication in the March, 1969, issue of the American Journal of Optometry and Archives of American Academy of Optometry.
†Optometrist, M.S., Associate Member, American Academy of Optometry. Present address, School of Optometry, The Ohio State University, Columbus, Ohio.
‡Optometrist, Ph.D., Member of Faculty. Fellow, American Academy of Optometry.
© 1969 American Academy of Optometry